Helena Weather History

Montana, United States of America

Weather on a past date in Helena

Any date from 1 January 2009 to yesterday.

Fri 23 Oct, 2026 Weather in Helena

Sunrise: 07:57 AM
Sunset: 06:27 PM		Moonrise: 05:10 PM
Moonset: 05:12 AM		Max:
10.1 °c		Min:
-3.7 °c		Avg:
4.8 °c		Precip:
28.48 mm		Max Wind:
15.7 kph
 
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IconPartly cloudyOvercastOvercastHeavy rain at timesModerate or heavy rain showerModerate or heavy rain showerHeavy rain at timesOvercast
Temp8.5°c7.6°c8.1°c10.1°c3.3°c1.7°c1.3°c0.9°c
Wind6.5 kmph6.8 kmph4.0 kmph2.2 kmph14.4 kmph12.6 kmph6.1 kmph1.1 kmph
Precip0.00 mm0.00 mm0.00 mm1.30 mm2.70 mm3.20 mm1.20 mm0.00 mm
Cloud45%87%100%100%100%100%100%99%
Humidity69%73%74%91%99%95%93%91%
Pressure1005 mb1004 mb1003 mb1004 mb1013 mb1018 mb1024 mb1028 mb

Helena Annual Weather Averages

MonthHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
January-2°C / 29°F-10°C / 14°F-6°C / 21°F169 hours20.19 mm / 0.79 In7 days1023 mb / 31 In
February-1°C / 30°F-10°C / 13°F-6°C / 21°F135 hours29.13 mm / 1.15 In9 days1020 mb / 31 In
March5°C / 41°F-5°C / 23°F-0°C / 32°F178 hours32.22 mm / 1.27 In7 days1016 mb / 30 In
April10°C / 49°F-2°C / 29°F4°C / 39°F175 hours50.83 mm / 2.00 In9 days1015 mb / 30 In
May16°C / 61°F3°C / 38°F10°C / 50°F210 hours68.74 mm / 2.71 In9 days1013 mb / 30 In
June21°C / 70°F8°C / 46°F15°C / 59°F253 hours73.09 mm / 2.88 In7 days1012 mb / 30 In
July28°C / 82°F12°C / 54°F20°C / 69°F321 hours27.06 mm / 1.07 In6 days1014 mb / 30 In
August27°C / 80°F12°C / 53°F19°C / 67°F312 hours28.35 mm / 1.12 In4 days1014 mb / 30 In
September21°C / 71°F8°C / 46°F14°C / 58°F270 hours44.13 mm / 1.74 In4 days1014 mb / 30 In
October12°C / 53°F0°C / 32°F5°C / 42°F223 hours40.62 mm / 1.60 In5 days1012 mb / 30 In
November4°C / 39°F-6°C / 22°F-2°C / 29°F199 hours24.83 mm / 0.98 In6 days1019 mb / 31 In
December-2°C / 29°F-10°C / 14°F-6°C / 21°F175 hours23.62 mm / 0.93 In8 days1021 mb / 31 In

Need more than one day of Helena history?

Download historical weather for Helena, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
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Weather history near Helena

Region

Montana

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Hotels near Helena

Helena weather history: common questions

How far back does Helena weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Helena historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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